Lightly prune any leggy stalks in spring to shape. Plants that are not grown in a pond respond to light mulching in winter.1
As Texas Star is hardy, ensure temperatures are mild enough to plant out - wait until after your last frost date to be on the safe side.Scarlet Rose Mallow
1 dcmga.com/north-texas-gardening/perennials/master-gardener-favorites/texas-star-hibiscus/